Can this be used with a katana 50 watt?

I do not think this will work with the Katana 50. I believe it only works with the Kata Artist 100. You can find the answer for sure on Boss's website.

Can other pedals be used along with the gafc?

Yes. This foot controller has its own Jack on the amp to control amp effects. Other pedals can be used in the effects loop or guitar input as normal.

Is this compatible with a MkII 50 amp?

Only if it has GAFC jack on the back of the amplifier

Is the TRS cable included in this purchase?

No cables are included. You would probably want to order cables to the proper length for your setup and make them 90 degree into the foot controller end. You will want to order dual 90 degree TRS cables if you plan to use the GA-FC EX in addition to a regular GA-FC. Dual controllers give even more control to your Katana-100 MkII or Artist MkII.

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BOSS GA-FC EX

Product ID: 474268695

Details

Brand
BOSS
Color
Black
Item Weight
16 ounces
Product Dimensions
17.5"L x 5.1"W
Style
Compact

🎛️6 heavy-duty footswitches

🛠️Rugged metal chassis

🔴🟢Two-color LED status indicators

¥61107

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎸 Step up your sound game—control your amp like a pro, hands-free!

BUILT TO ENDURE - Rugged metal chassis and heavy-duty footswitches designed for relentless gigging.
COMPACT LIGHTWEIGHT - Sleek 17.5” design weighing just 16 ounces—perfect for on-the-go pros.
DUAL COLOR LED FEEDBACK - Instant visual confirmation with vibrant two-color LEDs for flawless stage performance.
PLUG PLAY COMPATIBILITY - Optimized for BOSS and Roland amps with simple 1/4-inch audio jack connectivity.
SEAMLESS HANDS FREE CONTROL - Effortlessly switch presets and toggle effects without missing a beat.

The BOSS GA-FC EX Foot Controller is a compact, rugged footswitch designed for hands-free control of BOSS and Roland guitar and bass amplifiers. Featuring six heavy-duty footswitches and dual-color LED indicators, it allows seamless preset changes and effect toggling with clear visual feedback. Built with a durable metal chassis and simple 1/4-inch audio connectivity, it’s the essential performance upgrade for serious musicians seeking reliable, intuitive amp control.

Specifications

ASIN	B0BCR1BWB2
Amperage	300 milliamps
Audio Output Effects	Modulation
Best Sellers Rank	#9,995 in Musical Instruments ( See Top 100 in Musical Instruments ) #25 in Guitar Amplifier Footswitches & Controllers
Brand Name	BOSS
Color	Black
Connector Type	1/4-inch audio jack, barrel connector
Controls Type	Push Button
Customer Reviews	4.8 4.8 out of 5 stars (264)
Hardware Interface	1/4-inch Audio
Included Components	Foot controller, power cable
Item Dimensions	17.5 x 5.1 x 4 inches
Item Dimensions L x W x H	17.5"L x 5.1"W x 4"H
Item Type Name	BOSS GA-FC EX Foot Controller for hands-free control of BOSS/Roland Guitar and Bass amps \| Change Presets and Toggle Effects with your foot
Item Weight	16 ounces
Manufacturer	BOSS
Manufacturer Part Number	GA-FC EX
Model Name	GA-FC EX
Model Number	GA-FC EX
Number of Items	1
Power Source	Corded Electric
Signal Format	Analog
Style	Compact
UPC	761294519455
Voltage	9 volts
Warranty Description	See manufacturer's website for details.

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TrustScore 4.5 | 7,300+ reviews

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¥61107

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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